here magnetophon!

rt-4.14.diff

diff --git a/modules/kernel.nix b/modules/kernel.nix
index 46649bb..d80aba3 100644
--- a/modules/kernel.nix
+++ b/modules/kernel.nix
@@ -148,6 +148,14 @@ in {
         extraConfig   = musnixRealtimeKernelExtraConfig;
       };
 
+      linux_4_14_rt = callPackage ../pkgs/os-specific/linux/kernel/linux-4.14-rt.nix {
+        kernelPatches = [ kernelPatches.bridge_stp_helper
+                          kernelPatches.modinst_arg_list_too_long
+                          realtimePatches.realtimePatch_4_14
+                        ];
+        extraConfig   = musnixRealtimeKernelExtraConfig;
+      };
+
       linux_opt = linux.override {
         extraConfig = musnixStandardKernelExtraConfig;
       };
@@ -158,9 +166,10 @@ in {
       linuxPackages_4_9_rt  = recurseIntoAttrs (linuxPackagesFor linux_4_9_rt);
       linuxPackages_4_11_rt = recurseIntoAttrs (linuxPackagesFor linux_4_11_rt);
       linuxPackages_4_13_rt = recurseIntoAttrs (linuxPackagesFor linux_4_13_rt);
+      linuxPackages_4_14_rt = recurseIntoAttrs (linuxPackagesFor linux_4_14_rt);
       linuxPackages_opt     = recurseIntoAttrs (linuxPackagesFor linux_opt);
 
-      linuxPackages_latest_rt = linuxPackages_4_13_rt;
+      linuxPackages_latest_rt = linuxPackages_4_14_rt;
 
       realtimePatches = callPackage ../pkgs/os-specific/linux/kernel/patches.nix { };
     };
diff --git a/pkgs/os-specific/linux/kernel/linux-4.14-rt.nix b/pkgs/os-specific/linux/kernel/linux-4.14-rt.nix
new file mode 100644
index 0000000..3b870f3
--- /dev/null
+++ b/pkgs/os-specific/linux/kernel/linux-4.14-rt.nix
@@ -0,0 +1,20 @@
+{ stdenv, fetchurl, hostPlatform, perl, buildLinux, ... } @ args:
+
+import <nixpkgs/pkgs/os-specific/linux/kernel/generic.nix> (args // rec {
+  kversion = "4.14.3";
+  pversion = "rt5";
+  version = "${kversion}-${pversion}";
+  extraMeta.branch = "4.14";
+
+  src = fetchurl {
+    url = "mirror://kernel/linux/kernel/v4.x/linux-${kversion}.tar.xz";
+    sha256 = "0rh3r1ik9xwa3pl5rrqjjbknyc7xnam10jih7v5q5v33pd716a5n";
+  };
+
+  kernelPatches = args.kernelPatches;
+
+  features.iwlwifi = true;
+  features.efiBootStub = true;
+  features.needsCifsUtils = true;
+  features.netfilterRPFilter = true;
+} // (args.argsOverride or {}))
diff --git a/pkgs/os-specific/linux/kernel/patches.nix b/pkgs/os-specific/linux/kernel/patches.nix
index 3fb68c7..4b8d192 100644
--- a/pkgs/os-specific/linux/kernel/patches.nix
+++ b/pkgs/os-specific/linux/kernel/patches.nix
@@ -58,4 +58,11 @@ in rec {
       pversion = "rt1";
       sha256 = "0jmwwy6yf19apqh6m8cc3k16czgjb1vlhg02r78zpxx77w793x2z";
     };
+
+  realtimePatch_4_14 = realtimePatch
+    { branch = "4.14";
+      kversion = "4.14.3";
+      pversion = "rt5";
+      sha256 = "1yig6kikn1kf26ndhrgjjvq1d1rzlfbybn044d65i2pc7h1nqdrj";
+    };
 }

  musnix.enable = true;
  musnix.kernel.realtime = true;
  musnix.kernel.optimize = true;
  musnix.kernel.packages = pkgs.linuxPackages_latest_rt;